Adidas Kaphiros offers a streamlined feel with adjustable temples and nose pads. Lightweight injected frame and polycarbonate lens provide broad coverage. Rubberized contact points ensure glasses stay secure during runs.

Rudy Project Astral Arc provides a broad, unobstructed view with a frameless design. Its shield lens keeps the frame out of sightline, prioritizing visibility. The open design gives it a lightweight, athletic look. Read more racing coverage.

RP Optics mirrored lenses enhance contrast and reduce glare in bright conditions. Adjustable nose pad helps achieve a secure, comfortable fit. Ideal for sunny road runs and open trails. Related: Great South Run: Celebrating 35 Years of Iconic Moments.

This original Runner World brief is based on reporting from Athletics Weekly. Visit the source for its complete reporting, context and any later corrections.